MSP430F42x
MIXED SIGNAL MICROCONTROLLER
SLAS421A − APRIL 2004 − REVISED JUNE 2007
32
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
APPLICATION INFORMATION
input/output schematic
Port P1, P1.0 to P1.1, input/output with Schmitt-trigger
P1OUT.x
Module X OUT
P1DIR.x
Direction Control
From Module
P1SEL.x
D
EN
Interrupt
Edge
Select
P1IES.x
P1SEL.x
P1IE.x
P1IFG.x
P1IRQ.x
EN
Set
Q
0
1
1
0
Pad Logic
0: Input
1: Output
Bus
keeper
CAPD.x
PnSEL.x
PnDIR.x
Direction
From Module
PnOUT.x
Module X
OUT
PnIN.x
PnIE.x
PnIFG.x
PnIES.x
Module X IN
P1SEL.1
P1DIR.1
P1OUT.1
P1IN.1
P1IE.1
P1IFG.1
P1IES.1
P1SEL.0
P1DIR.0
P1OUT.0
P1IN.0
P1IE.0
P1IFG.0
P1IES.0
P1DIR.1
P1DIR.0
MCLK
Module X IN
P1IN.x
P1.0/TA0
P1.1/TA0/MCLK
Control
NOTE: 0
≤
x
≤
1.
Port Function is Active if CAPD.x = 0
†
Timer_A3
Out0 Sig.
†
CCI0A
†
CCI0B
†
CAPD.x
DVSS
DVSS
